Nera WiLink-I 3000, Системное руководство

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Specifications
WiLink-I Modular Base Station System Manual 15
1.5.3 AU-IDU to AU-ODU Communication
Table 1-8: AU-IDU to AU-ODU Communication
Item Description
IF Frequency
¢
Tx: 240 MHz
¢
Rx: 140 MHz
Ref Synchronization Frequency 64 MHz
Bi-Directional Control Frequency 14 MHz
IF cable Impedance 50 ohm
Maximum IF cable Attenuation AU-ODU: 19 dB @ 240 MHz, 15 dB @ 140 MHz,
8 dB @ 64 MHz
AU-ODU-HP: 19 dB @ 240 MHz, 15 dB @ 140 MHz,
8 dB @ 64 MHz
Minimum IF cable Shielding Effectiveness 90 dB in the 10-300 MHz band
Maximum IF cable Return Loss 20 dB in the 10-300 MHz band
Maximum IF cable DC Resistance AU-ODU: 4.0 ohm
AU-ODU-HP: 1.5 ohm